playbook don't connect to my pc and desktop manager

I have tried every trick I came across in the forums and google search to connect my playbook to my PC, it doesn't show on the PC's computer window and its stressing me now, I can't load pictures and music on it, I need help please.... Any suggestions I haven't tried ill be glad to try them out....

I had this very same issue recently. This is the suggestion that I got and it worked: Remove/unininstall the Desktop Manager and everthing else associated with it (apploader, etc) from your laptop. Then reinstall it.

Worked like a charm for me! Good luck and please post back.

Also, check the usb line that you are using and make sure that's it's a data capable type and not just for charging.

How would i know if its a charging cable only. Im using the cable that came with the device. The desktop manager is unable to connect and device manager says cannot mount "something of that nature"

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But ill try your advice now

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Have tried it now and it doesn't work, with desktop it says "A Problem Occured while trying to connect to your blackberry device" and under device manger it says" Internal - Volume not Mounted."

This is stressing now, have tried all advices from different forums, how do I check if its the cable or not? Or its my PC? Is there a special Driver software I should install on my PC, or how to uninstall this OS 2.1 and install maybe 2.0 and see if it will connect

Sounds like a registry issue caused by driver corruption. Try the advice from Harmeling68, then perform a registry clean using Ccleaner, System Mechanic or something similar before reinstalling the desktop manager.